Graco Inc Hydra-Clean 3540, Hydra-Clean 800-635, Hydra-Clean 800-681, Hydra-Clean 308-525, Hydra-Clean 3050 User Manual

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INSTRUCTIONS-PAR

This

manual contains

WARNINGS

AND RETAIN FOR REFERENCE

and

IMPORTANT

INSTRUCTIONS

READ

TS LIST

308–525

Rev

HYDRA-CLEAN Pressure W

HYDRA-CLEAN P/N 800–681, Series A

3000 psi (207 bar) OPERA

3400 psi (234 bar) MAXIMUM WORKING PRESSURE

HYDRA-CLEAN P/N 800–635, Series A P/N 800–636, Series A

3500 psi (241 bar) OPERA

3900 psi (269 bar) MAXIMUM WORKING PRESSURE

HYDRA-CLEAN P/N 800–637, Series A

4000 psi (276 bar) OPERA

4300 psi (296 bar) MAXIMUM WORKING PRESSURE

3050, 13 HP ENGINE

3540, 13 HP ENGINE

4043, 16 HP ENGINE

asher

TING PRESSURE



3050, 3540, 4043

GRACO INC. P

.O. Box 1441 MINNEAPOLIS, MN 55440–1441

COPYRIGHT

1991, GRACO INC.

HIGH PRESSURE SPRAY CAN CAUSE SERIOUS INJURY.

FOR PROFESSIONAL USE ONLY. OBSERVE ALL WARNINGS.

Read and understand all instruction manuals before operating equipment.

FLUID INJECTION HAZARD

WARNING

General Safety

This pressure washer generates very high fluid pressure. Spray from the gun, leaks or ruptured components can inject fluid through your skin and into your body and cause extremely serious bodily injury including splashed damage.

NEVER

part of the body. spray

ALWAYS before

NEVER

body. Be sure equipment safety devices are operating

properly

the need for amputation. Also, fluid injected or into the eyes or on the skin can cause serious

point the spray gun or wand at anyone or at

NEVER

tip.

follow the Pressure Relief Procedure,

cleaning or servicing any part of the sprayer

try to stop or deflect leaks with your hand or

before each use.

put hand or fingers over the

any

Medical Treatment

If any fluid appears to penetrate your skin, get

EMERGENCY NOT

TREA

what

fluid was injected.

NOTE TO PHYSICIAN:

traumatic

surgically as soon as possible.

treatment with

some exotic coatings injected

MEDICAL TREA

T AS A SIMPLE CUT. T

injury

It is important to treat the injury

to research toxicity

bloodstream. Consultation with a plastic surgeon

reconstructive hand surgeon may be advisable.

TMENT A

ell the doctor exactly

T ONCE. DO

Injection in the skin is a

Do not delay

. T

oxicity is a concern

directly into the

Pressure Relief Procedure

reduce the risk of serious bodily injection follow this procedure whenever you stop spraying for more checking

2. T

5. Disengage the trigger safety latch and trigger the

6. Before long–term (overnight) storage or

and splashing in the eyes

than 10 minutes, when shutting

or repairing any part of the system.

Engage the trigger safety latch.

urn the sprayer of Remove the ignition cable from the spark plug. Shut of

gun safety

transporting and

f the water supply

to relieve pressure, and then

latch again.

of the unit, disconnect the water

disconnect the fuel supply

injury

, including fluid

or on the skin, always

down, and before

engage the trigger

supply

Spray Gun Safety Devices

Be sure all gun safety devices are operating properly before each use. Do not remove or modify any part of the gun; this can cause a malfunction and result in serious

SAFETY LATCH: Whenever you stop spraying for a moment, or properly set the safety latch can result in accidental triggering

SPRAY TIP SAFETY: Use extreme caution when cleaning spraying, engage the gun safety latch immediately.

ALWAYS

then

bodily injury

always set the gun safety latch in the engaged

“safe” position, making the gun inoperative. Failure to

of the gun.

or changing spray

follow the Pressure Relief Procedure and

remove the spray tip to clean it.

tips. If a spray tip clogs while

 

FUEL AND EMISSION HAZARDS

NEVER

The on tank

NEVER

exhaust contains carbon monoxide, a poisonous,

fill the fuel tank while the

fuel used in this unit

a hot surface can ignite and cause a fire.

slowly to avoid spilling.

operate the unit in a closed building. The

is combustible and when spilled

unit is running or hot.

ALWAYS

fill

EQUIPMENT MISUSE HAZARD

General Safety

Any misuse of the pressure washer or accessories, such as overpressurizing, modifying parts, using incompatible chemicals and fluids, or using worn or damaged fluid injection, splashing in the eyes or on the skin, or other serious bodily injury, fire, explosion or property damage.

NEVER

could cause it to malfunction.

CHECK

replace

ALWAYS

clothing. chemical manufacturer’s literature for

parts, can cause them to rupture and result in

alter or modify any part of this equipment; doing

all spray equipment regularly and repair or

worn or damaged parts immediately

wear protective eyewear and appropriate

If using

a chemical injector

, read and follow the

odorless, death

NEVER

factory the

recommendations on additional protective equipment, such

System

This sure to withstand the maximum working pressure of this sprayer. pressure of any component or accessory used in the system.

invisible

if inhaled.

alter the maximum throttle setting, which is

set. T

pressure washer and will void the warranty

as a respirator

Pressure

sprayer can develop high operating pressures. Be that all spray equipment and accessories are

DO NOT

gas which can cause serious injury or

ampering with this adjustment can

exceed the maximum working

damage

rated

Chemical Compatibility

BE SURE

injector gun, back cover). Always read the chemical manufacturer’s literature before using any chemical in this pressure washer.

that all chemicals used in the chemical

are compatible with the

wand and tip,

as given in the T

wetted parts of the hose,

echnical Data (inside

HOSE SAFETY

High

pressure fluid in the hoses can be very dangerous. If the hose develops a leak, split or rupture due to any kind of wear, damage or misuse, the high pressure

emitted from it can cause a fluid injection injury or

spray other

serious bodily injury or property damage.

ALL FLUID HOSES MUST HAVE STRAIN RELIEFS ON BOTH ENDS.

hose from kinks or bends at or close to the coupling,

can result in hose rupture.

which

TIGHTEN

use. allow high pressure spray to be emitted from the coupling.

all fluid connections securely before each

High pressure fluid can

The strain reliefs help protect the

dislodge a loose coupling or

NEVER

entire hose for cuts, leaks, abrasion, bulging cover, or damage or movement of the hose couplings. If any of these conditions exist, replace the hose immediately.

DO NOT

with tape or any other device. A repaired hose cannot contain

HANDLE AND ROUTE HOSES CAREFULLY.

pull chemicals and temperatures (–40 C).

use

a damaged hose. Before each use, check

try to recouple high pressure hose or mend it

the high pressure fluid.

on hoses to move the pressure washer

which are not

cover of the hose.

above 200

compatible with the inner tube

DO NOT

 F

expose Graco hose to

(93

 C)

or below –40

Do not

. Do not use

F



MOVING PARTS HAZARD

Moving parts can pinch or amputate fingers or other

parts.

body or

operating the pressure washer

NEVER

and interlocks installed and functioning. Follow the

KEEP CLEAR

operate the pressure washer without all guards

of moving parts when starting

Pressure Relief Procedure before checking or servicing the pressure washer to prevent discharging

pressure fluid from the gun.

high

TERMS

WARNING: Alerts user to avoid or correct conditions

could cause bodily injury

that NOTE: Identifies

helpful procedures and information.

CAUTION: Alerts user to avoid or correct conditions

could cause damage to the equipment.

that

IMPORTANT

United

States Government safety standards have been adopted under the Occupational Safety and Health Act. These standards—particularly the General Standards, Part 1910, and the Construction Standards, Part 1926—should be consulted.

4 308-525

INSTALLATION

HIGH

PRESSURE

HOSE

CONNECTION

TER

SUPPL

CONNECTION

SPRAY

HOSE

QUICK

COUPLER

SPRAY

GUN

QUICK

COUPLER

TEE HANDLE

(4043 ONL

Figure

Check for Shipping Damage

Check

the unit for any

in shipping. Notify the carrier immediately if there is

damage.

any

damage that may have occurred

Set Up

Fill the battery cells with electrolyte and water. Charge

battery

the and quick times. install it between the pump unloader and the high pressure

Connect the high pressure hose between the pump outlet and the gun inlet. Both of these connections are made

. Be sure the battery connections are correct

secure.

Connect the fuel line to the engine using the

coupler provided. Squeeze the priming bulb 3 to 5

If you are using a downstream chemical injector

hose, using the quick couplers provided.

with quick couplers.

CAUTION

Up to 100 ft (30 m) of high pressure hose may be used. performance, if

used.

Install the appropriate spray tip on the wand. See Installing and Changing Spray Tips. If you are using a sandblaster instructions.

Longer hoses may affect sprayer

and chemical injector

kit, see its separate manual for installation

performance,

Connect to Water Supply

CAUTION

Before attaching to the water supply, check your

plumbing code regarding cross–

local to the water supply. A backflow preventer, P/N 801–133, is available to prevent backflow of contaminated water into the fresh water supply.

it upstream from the pump.

Install

If inlet water pressure is over 60 psi (4.1 bar) a regulating water valve, P/N 800–258, must be installed

Do not exceed 160 F (70 C) inlet water temperature.

Connect the water supply to the unit’s 3/4 inch garden hose inlet. The supply hose should not be more than 50 ft (15 m) long.

NOTE: The water source at the unit

at the garden hose connection.

a hose with at least a 3/4 inch (19 mm) ID from

minimum Technical

flow rate equal to that of the unit (see

Data, inside back cover).

connection

must

have a



STARTUP

Always is

NOTE: This pressure washer is equipped with a

use this startup procedure to ensure

started safely and properly

Check oil levels. Engine: Add SAE 30 or 10W–30 weight detergent

as necessary

oil

Add SAE 20

Pump: as

necessary

low–oil sensor that shuts the engine off if the oil level falls below a certain level. If the unit stops fuel levels. Check the oil level each time the

is refueled.

unit

Check fuel level.

unexpectedly

or 30 weight non–detergent oil

, check both the oil and the

that the unit

WARNING

DO NOT

engine could cause a fire. Use only fresh, clean regular or unleaded gasoline. Close the fuel shutoff

3. T

refuel a hot engine. Refueling a hot

valve during refueling.

urn on the water supply

CAUTION

Never

run the unit dry will result. Always be sure the water supply is completely

turned on before operating.

. Costly damage to the pump

If the engine is cold, completely close the engine choke. Press the start button. In cool weather choke may have to be kept closed for 10 to 30 seconds before opening it to keep the engine running. engine

If the engine is warm, leave the choke open or partially preceding paragraph. When the engine starts, be sure

ALWAYS

whenever reduce the risk of fluid injection or splashing in the eyes accidentally.

ALWAYS

8. avoid

Otherwise,

starts.

closed. Start the engine as described in the

to open the choke completely

engage the gun’s trigger safety latch

you stop spraying, even for a moment, to

or on the skin if the gun is bumped or triggered

observe the following CAUTIONS to

costly damage to the pressure washer

open the choke as soon as the

CAUTION

NOT

allow

the pressure washer to idle for more than 10 minutes. Doing so may cause the recirculating water to overheat and seriously damage will not be spraying or cleaning at least every 10 minutes. If heated inlet water is used, reduce this time further.

DO NOT

damage turned

the pump. T

run the pump dry, which will quickly

the pump. Be sure

on before starting the pump.

urn of

f the pressure washer if it

the water supply is fully

, the

4. Trigger the gun until water sprays from the tip indicating

5. Open ignition cables are pushed firmly onto the spark plugs. Put the ignition shutoff switch in the “on” position

Start the engine.

NOTE: For

that the air is purged from the system.

the fuel shutoff valve. Be sure the spark plug

and the throttle in the “run” position.

easier starting, have one person start the pressure washer while another person triggers

the spray gun.

NOT

operate the pressure washer water screen removed. This screen helps keep abrasive sediment out of the pump, which could

or scratch the pump. Keep this screen clean.

clog

DO NOT

may

9. See for detailed cleaning information if these accessories

pump caustic materials; such materials

corrode the pump components.

the chemical

injector or sandblaster kit manual

are used.

with the inlet

 

Trigger Safety Latch

WARNING

To reduce the risk of serious bodily injury, including fluid injection, splashing in the eyes or on the skin, latch whenever spraying stops, even for a moment.

In the engaged position, the trigger safety latch prevents the gun from being triggered accidentally Be sure the latch is pushed fully down when engaging triggered.

ALWAYS

by hand or if it is dropped or bumped.

it or it cannot

See Figure 2.

engage the trigger safety

prevent the gun from being

Installing and Changing Spray Tips

WARNING

reduce the risk of serious bodily injury fluid injection or splashing in the eyes or onto the skin, use extreme caution when changing spray

ALWAYS

tips.

Follow the

2. Point the gun and wand away from yourself and anyone

3. Without back

the quick coupler ring (B). Remove and/or install a See

Figure 3.

4. Be sure the tip is secure before starting to spray again.

follow the procedure below

Pressure Relief Procedure

else.

holding your hand over the spray tip (A), pull

new one, and then release the ring.

, including

the old tip

TRIGGER SAFETY LA

DISENGAGED

Figure 2

TCH SHOWN ENGAGED

TCH SHOWN

5. Tip

holding holes are provided on the chassis.

CAUTION

To avoid blowing the o–ring out of the quick coupler, due to the high pressure in the system, never operate the pressure washer without a tip securely

Figure 3

mounted in the quick coupler



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